[ale] programming question

[leam hall]

Smart phones are not allowed in some places.   :)

On Wed, Feb 10, 2016 at 10:47 AM, Michael C Martin <mcm30114 at gmail.com>
wrote:

> While all this is very true (c'mon, this should be a well documented
> pattern / anti-pattern somewhere on the internets) .. How about this one --
> use a FONT that is optically meant for easy visual discrimination of
> letters and numbers. Bonus -- font is easily scannable for image
> recognition. EG: Automotive VINs. Maintaining upper case only helps too.
>
> OCR fonts have been out for years. We just have to get "label
> manufacturers" to put these kind of specs / requirements in the design doc
> prior to any label scanning.
>
> Alternative #2 -- use a high density digital coding (data matrix codes,
> Semacode) and then just use our smart phones to read and repurpose. Wait..
> We all do have smart phones, right?
>
> Giant Mike
>
>
>
> Sent from my iPhone
>
> On Feb 10, 2016, at 8:07 AM, Brian Schenken <brian.schenken at gmail.com>
> wrote:
>
> It depends.  The characters in serial numbers sometimes have a meaning - O
> could mean an item was assembled on production line O, etc. so you might
> have to change that logic a bit.  Assuming that the characters are all
> meaningless, you'd still have a bit of work to do if you want the
> alphanumeric text to increment while excluding certain characters.
>
> On Wed, Feb 10, 2016 at 6:34 AM, Leam Hall <leamhall at gmail.com> wrote:
>
>> +1, and lower case "ell". Depending on the font, uppercase "D" is often
>> suspect on printed labels.
>>
>>
>> On 02/09/16 23:18, DJ-Pfulio wrote:
>>
>>> 1 line of code.  B and 8 should be avoided as well as S and 5 too.
>>>
>>> On 02/09/16 20:45, Pete Hardie wrote:
>>>
>>>> It's not a programmer failure - it's a requirements failure.  Some
>>>> marketeer or architect failed to specify
>>>> "Serial number will not include letters I and O"
>>>>
>>>>
>>>> On Tue, Feb 9, 2016 at 8:32 PM, Sean Kilpatrick <kilpatms at gmail.com
>>>> <mailto:kilpatms at gmail.com>> wrote:
>>>>
>>>>      I know nothing of modern languages; I stopped learning  how to
>>>> program
>>>>      at Cobol, Algol, and Fortran.
>>>>      But I have a question spinning off this serial number:
>>>> F9IANU000217.
>>>>
>>>>      Given that only a few lines of code should be necessary to create
>>>> serial
>>>>      numbers, how much more code would be needed to exclude upper case
>>>> "I"
>>>>      and "O"?
>>>>
>>>>      This is the first time I have ever seen an upper case "I" used in a
>>>>      serial number.  The type face used for this serial number made it
>>>>      difficult to see that the third character was an "I" and not a "1".
>>>>      I have seen an upper case "O" used however, and that is even more
>>>>      stupid.
>>>>
>>>>      For the record, the serial number above identifies an electronic
>>>> device
>>>>      manufactured by a well-known company.  It didn't work out of the
>>>> box,
>>>>      and after an hour with tech support I was told to return it as
>>>>      defective.
>>>>
>>>>      Which I will do.
>>>>
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-- 
Mind on a Mission <http://leamhall.blogspot.com/>
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